Chemistry

Chemistry, 24.07.2019 07:30, gymnastjazzyjov0euc

True or false everything has the same amount of energy?

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Biology, 01.07.2019 01:30, alyssatamayo641

Matter can be neither created nor destroyed, only converted from one form into another. true false temperature measures the total kinetic energy in a sample. true false when an object cools, it is gaining thermal energy. true false reactions that absorb energy are exothermic. true false thermal energy always flows from a higher temperature to a lower one. true false in science, the term heat is a synonym for the term temperature. true false kelvin temperatures can never have negative values. true false

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Chemistry, 16.10.2019 04:30, Christyhanes3764

Me i beg you i really need endothermic and exothermic reactions are terms describing reactions that absorb thermal energy. true false the amount of energy required to raise the temperature of a swimming pool depends on the mass of water present. true false you have been given two different amounts of the same substance. if given double the amount of moles of one, the amount of heat to vaporize the substance will be halved. true false according to the second law of thermodynamics, energy of the universe must always increase. true false when an object releases thermal energy, the average kinetic energy of the object's molecules increases. true false the gibb's free energy equation shows that it is not enough for the change in enthalpy to be negative for a reaction to be spontaneous. true false according to collision theory, the greater number of effective collisions that occur between reactant particles per second, the greater the rate of reaction. true false in an energy diagram for an exothermic chemical reaction, the total energy change is the difference in energy between the energy of the reactants and the energy of the products. true false an increase in temperature for a reaction with a + δh will shift the equilibrium toward the products. true false in calculating the equilibrium constant for a reaction, the coefficients of the chemical equation are used as exponents for the factors in the equilibrium expression. true false

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Chemistry, 17.10.2019 07:30, liloleliahx2

Energy is expended when a force moves matter across a distance. true false the conservation of mass-energy and the first law of thermodynamics are synonymous. true false temperature and thermal energy are synonymous terms. true false on the kelvin scale, temperatures are expressed as positive values only. true false the amount of heat transfer required to change the temperature of one gram of water one degree celsius is also known as a calorie. true false

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Chemistry, 19.10.2019 19:30, Mathewcastillo88

1. energy is expended when a force moves matter across a distance. true/false 2. the conservation of mass-energy and the first law of thermodynamics are synonymous. true/false 3. temperature and thermal energy are synonymous terms. true/false 4. on the kelvin scale, temperatures are expressed as positive values only. true/false 5. the amount of heat transfer required to change the temperature of one gram of water one degree celsius is also known as a calorie. true/false

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